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A 2016 kilogram vehicle has a speed of 12.6 m/s when it hits a tree. The tree does not move and the vehicle comes to rest.
Obtain the change in kinetic energy of the vehicle.
Answer in units of J.
Calculate the amount of work done by the vehicle as its front is pushed in.
Compute the magnitude of the force that pushed the front of the vehicle in by 37 cm.
Answer in units of N.
A comet orbits the Sun with a period of 96.81 years. The comet's distance of closest approach to the Sun (perihelion) is 1.685 AU. obtain the maximum distance of the comet from the Sun
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
Starting from rest, a 99 kilogram fire fighter slides down a fire pole. Estimate how far did he slide down the pole
A 0.135 kg ball is thrown straight up from 2.20 m above the ground.Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
a tuning fork vibrates at a frequency of 256 hz. what is the wavelength of the sound coming from the fork when the air
A block is pushed up a frictionless 30° incline by an applied force as shown. If F = 25 N and M = 3.0 kg, what is the magnitude of the resulting acceleration of the block
A proton has a charge of e= 1.6 x 10-19 C. Calculate the electic field produced by the proton 10 cm away. What is the magnitude of the electric potential at thesame position (10cm)?
A 785 Hz sound wave travels through a gas. If the wavelength of the sound is 0.6 m, what is the speed of sound in the gas
question an electron moves in a circular path perpendicular to the magnetic field of magnitude 0.235t. if the ke of
A 9.0-V battery is connected in series with a 35-mH inductor, a 168-? resistor, and an open switch. How much energy is stored in the inductor at this time
A loaded freight car has 5 times as much mass as an empty freight car. what will be the speed of both cars after collision
Calculate the speed of an electron that is accelerated through the same potential difference
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